How do you change the subnet mask for the entire domain?

I need to change our subnet mask from 255.255.255.0 to 255.255.0.0. I know for all the static equipment I have to do it manually, so my question is how do I do it so it gets applied to the entire domain.

I was prompted to write this article after the recent World-Wide Ransomware outbreak. For years now, System Administrators around the world have used the excuse of "Waiting a Bit" before applying Security Patch Updates. This type of reasoning to me …

This tutorial will walk an individual through the steps necessary to install and configure the Windows Server Backup Utility.
Directly connect an external storage device such as a USB drive, or CD\DVD burner:
If the device is a USB drive, ensure i…

Attackers love to prey on accounts that have privileges.
Reducing privileged accounts and protecting privileged accounts therefore is paramount. Users, groups, and service accounts need to be protected to help protect the entire Active Directory …